यदि \(^{16}C_{r}=^{16}C_{2r+4}\) है, तो (r) का मान क्या है?

If \(^{16}C_{r}=^{16}C_{2r+4}\), what is the value of (r)?

Explanation opens after your attempt
Correct Answer

A. (4)

Step 1

Concept

The complementary indices must add to (16). Thus (r+2r+4=16) gives (r=4).

Step 2

Why this answer is correct

The correct answer is A. (4). The complementary indices must add to (16). Thus (r+2r+4=16) gives (r=4).

Step 3

Exam Tip

पूरक सूचकांकों का योग (16) होगा। इसलिए (r+2r+4=16) से (r=4)।

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Mathematics Answer, Explanation and Revision Hints

यदि \(^{16}C_{r}=^{16}C_{2r+4}\) है, तो (r) का मान क्या है? / If \(^{16}C_{r}=^{16}C_{2r+4}\), what is the value of (r)?

Correct Answer: A. (4). Explanation: पूरक सूचकांकों का योग (16) होगा। इसलिए (r+2r+4=16) से (r=4)। / The complementary indices must add to (16). Thus (r+2r+4=16) gives (r=4).

Which concept should I revise for this Mathematics MCQ?

The complementary indices must add to (16). Thus (r+2r+4=16) gives (r=4).

What exam hint can help solve this Mathematics question?

पूरक सूचकांकों का योग (16) होगा। इसलिए (r+2r+4=16) से (r=4)।